D. expanding and heating up
Answer:
President Monroe
Explanation:
The era of good feelings was in the early 19th century period. It was a name given to President Monroe's administration.
It was a period of great nationalism, political unity, economic growth, and territorial expansion. there was only one political party and no partisan conflicts since the federalist party was dissolved after the war of 1812.
a period beginning in the last quarter of the 20th century when information became easily accessible through publications and through the manipulation of information by computers and computer networks. Type of: epoch, era. a period marked by distinctive character or reckoned from a fixed point or event.Explanation:
Answer: Restrain, if not prevent, the spread of slavery into the Louisiana territory